linux-kernel - Re: [PATCH v4 01/21] crypto/arm64: aes-ce-ccm - Avoid pointless yield of the NEON unit

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Message-ID: <aQxJigkyl4bCDpxh@gondor.apana.org.au>
Date: Thu, 6 Nov 2025 15:08:58 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org, ebiggers@...nel.org,
	Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v4 01/21] crypto/arm64: aes-ce-ccm - Avoid pointless
 yield of the NEON unit

On Fri, Oct 31, 2025 at 11:39:00AM +0100, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@...nel.org>
> 
> Kernel mode NEON sections are now preemptible on arm64, and so there is
> no need to yield it explicitly in order to prevent scheduling latency
> spikes.
> 
> Reviewed-by: Eric Biggers <ebiggers@...nel.org>
> Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
> ---
>  arch/arm64/crypto/aes-ce-ccm-glue.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt